#include <math.h>
#include <iostream>
#include <cstdlib>
#include <stdio.h>

using namespace std;


int main()

{
int a, b, c, f;
float d, e;
cout<< "Enter a:";
cin>> a;
cout<< "Enter b:";
cin>> b;
a=fabs(a);
b=fabs(b);

if (a!=0,b!=0)
{
c=a+b;
cout<< " a+b = "<< c;
d=a*b;
cout<< "\n a*b = "<< d;
e=a/b;
cout<< "\n a/b = "<< e;
f=a-b;
cout<< "\n a-b = "<< f;
}
else cout<< "Error";
return 0;
}
